Nissan Murano Z51. Manual — part 1477
COMPRESSOR
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COMPRESSOR
General Precautions
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CAUTION:
• Plug all openings to prevent moisture and foreign material from entering.
• Store it in the same way as it is when mounted on the car when the compressor is removed.
• Follow “Maintenance of Lubricant Quantity in Compressor” exactly when replacing or repairing
compressor. Refer to
HA-25, "Maintenance of Lubricant Quantity"
• Keep friction surfaces between clutch and pulley clean. Wipe it off by using a waste moistened with
thinner if the surface is contaminated with lubricant.
• Turn the compressor shaft by hand more than five turns in both directions after compressor service
operation. This equally distributes lubricant inside the compressor. Let the engine idle and operate
the compressor for one hour after the compressor is installed.
• Apply voltage to the new compressor and check for normal operation after replacing the compressor
magnet clutch.
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FLUORESCENT LEAK DETECTOR
FLUORESCENT LEAK DETECTOR
General Precautions
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CAUTION:
• The A/C system contains a fluorescent leak detection dye used for locating refrigerant leakages. An
ultraviolet (UV) lamp is required to illuminate the dye when inspecting for leakages.
• Always wear fluorescence enhancing UV safety goggles to protect eyes and enhance the visibility of
the fluorescent dye.
• The fluorescent dye leak detector is not a replacement for an electrical leak detector (SST: J-41995).
The fluorescent dye leak detector should be used in conjunction with an electrical leak detector
(SST: J-41995) to pin-point refrigerant leakages.
• Read and follow all manufacturer operating instructions and precautions prior to performing work
for safety and customer satisfaction.
• A compressor shaft seal should not necessarily be repaired because of dye seepage. The compres-
sor shaft seal should only be repaired after confirming the leakage with an electrical leak detector
(SST: J-41995).
• Always remove any remaining dye from the leakage area after repairs are completed to avoid a mis-
diagnosis during future service.
• Never allow dye to come into contact with painted body panels or interior components. Immediately
clean with the approved dye cleaner if dye is spilled. Fluorescent dye left on a surface for an
extended period of time cannot be removed.
• Never spray fluorescent dye cleaning agent on hot surfaces (engine exhaust manifold, etc.).
• Never use more than one refrigerant dye bottle [1/4 ounce (7.4 cc)] per A/C system.
• Leak detection dyes for HFC-134a (R-134a) and CFC-12 (R-12) A/C systems are different. Never use
HFC-134a (R-134a) leak detection dye in CFC-12 (R-12) A/C system or CFC-12 (R-12) leak detection
dye in HFC-134a (R-134a) A/C system, otherwise A/C system damage may result.
• The fluorescent properties of the dye remains for three or more years unless a compressor malfunc-
tion occurs.
IDENTIFICATION
NOTE:
Vehicles with factory installed fluorescent dye have a green label.
Vehicles without factory installed fluorescent dye have a blue label.
IDENTIFICATION LABEL FOR VEHICLE
Vehicles with factory installed fluorescent dye have an identification label on the front side of hood.
PREPARATION
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PREPARATION
PREPARATION
Special Service Tool
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The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
HFC-134a (R-134a) Service Tool and Equipment
• Never mix HFC-134a (R-134a) refrigerant and/or its specified lubricant with CFC-12 (R-12) refrigerant and/
or its lubricant.
• Separate and non-interchangeable service equipment must be used for handling each type of refrigerant/
lubricant.
• Refrigerant container fittings, service hose fittings and service equipment fittings (equipment that handles
refrigerant and/or lubricant) are different between CFC-12 (R-12) and HFC-134a (R-134a). This is to avoid
mixed use of the refrigerants/lubricant.
• Never use adapters that convert one size fitting to another. Refrigerant/lubricant contamination occurs and
compressor malfunction may result.
Tool number
(Kent-Moore No.)
Tool name
Description
(ACR2005-NI)
ACR5 A/C Service Center
Function: Refrigerant recovery, recycling
and recharging
(J-41995)
Electrical leak detector
Power supply:
DC 12 V (Battery terminal)
(J-43926)
Refrigerant dye leak detection
kit
Kit includes:
(J-42220)
UV lamp and UV safety goggles
(J-41459)
HFC-134a (R-134a) dye injector
Use with J-41447, 1/4 ounce
bottle
(J-41447)
HFC-134a (R-134a) fluorescent
leak detection dye
(Box of 24, 1/4 ounce bottles)
(J-43872)
Refrigerant dye cleaner
Power supply:
DC 12 V (Battery terminal)
WJIA0293E
AHA281A
ZHA200H
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PREPARATION
(J-42220)
UV lamp and UV safety goggles
Power supply:
DC 12 V (Battery terminal)
For checking refrigerant leakage when flu-
orescent dye is equipped in A/C system
Includes:
UV lamp and UV safety goggles
(J-41447)
HFC-134a (R-134a) fluorescent
leak detection dye
(Box of 24, 1/4 ounce bottles)
Application:
For HFC-134a (R-134a) PAG oil
Container:
1/4 ounce (7.4 cc) bottle
(Includes self-adhesive dye identification
labels for affixing to vehicle after charging
system with dye.)
(J-41459)
HFC-134a (R-134a) dye injector
Use with J-41447, 1/4 ounce
bottle
For injecting 1/4 ounce of fluorescent leak
detection dye into A/C system
(J-43872)
Refrigerant dye cleaner
For cleaning dye spills
(J-39183)
Manifold gauge set (with hoses
and couplers)
Identification:
• The gauge face indicates HFC-134a (R-
134a).
Fitting size: Thread size
• 1/2
″
-16 ACME
Service hoses
• High-pressure side hose
(J-39501-72)
• Low-pressure side hose
(J-39502-72)
• Utility hose
(J-39476-72)
Hose color:
• Low-pressure side hose: Blue with black
stripe
• High-pressure side hose: Red with black
stripe
• Utility hose: Yellow with black stripe or
green with black stripe
Hose fitting to gauge:
• 1/2
″
-16 ACME
Tool number
(Kent-Moore No.)
Tool name
Description
SHA438F
SHA439F
SHA440F
SHA441F
RJIA0196E
S-NT201
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